Joshua Hernandez

Joshua Hernandez

Data & Analytics Manager  |  Data Scientist  |  ML/AI Practitioner

Professional Summary

Results-driven Data & Analytics leader with 10+ years of progressive experience spanning data science, machine learning, and enterprise analytics management. Proven record of building and leading high-performing teams, architecting scalable data platforms, and delivering quantifiable business impact — from 50% YoY cost reductions to mission-critical ML models used in airline network optimization. Equally fluent in Python-based ML pipelines and executive-level storytelling. Passionate early adopter of Generative AI with hands-on experience deploying Microsoft Copilot and Claude Code solutions in production environments.

Core Competencies

Data Strategy & Governance Predictive Modeling, ML & Deep Learning Generative AI / LLM Deployment Demand Forecasting & Time Series Analysis Statistical Analysis & Hypothesis Testing Team Leadership & Talent Development Business Intelligence Platform Architecture Data Engineering & ETL Pipeline Design Vendor & Contract Management (RFPs, NDAs, SoWs) Executive Reporting & KPI Dashboard Design

Professional Experience

Nov 2021 – Present Remote
Manager, Data & Analytics
Brownells
  • Lead a 5-person team (data scientists, engineers, analysts) owning end-to-end data ingestion, cleansing, transformation, and distribution of business-critical reporting pipelines.
  • Drove two enterprise BI platform migrations and built automated report generation workflows, reducing year-over-year analytics spend by 50%.
  • Identified revenue leakage in the affiliate partnership program; designed and launched a targeted savings initiative that cut unnecessary outbound spend by ~10% per month.
  • Established company-wide data governance policies and led full integration of the Azure Business Intelligence stack (Microsoft Fabric, Power BI, Purview).
  • Championed GenAI adoption: deployed Microsoft Copilot linked to the company data dictionary and BI suite, materially increasing end-user self-service analytics capability.
  • Oversaw all vendor relationships, contract negotiations, RFP approvals, NDAs, and project Statements of Work.
Jul 2019 – Oct 2021 Dallas, TX
Data Scientist
Southwest Airlines
  • Embedded in Network Planning; built Python/Teradata/Tableau solutions to query, analyze, and surface KPIs on schedule efficiency and passenger demand to senior leadership.
  • Architected a hybrid ML model (neural network + time series + decision tree ensemble) to forecast market-to-market passenger demand 14 months in advance, enabling more profitable schedule construction.
  • Led Project Scalpel — a bespoke linear programming optimizer that re-worked flight schedules to comply with aircraft-reduction regulations while keeping the airline fully operational; recognized as mission-critical company tooling.
Feb 2019 – Jul 2019 Dallas, TX
Data Scientist (Independent Contractor)
Various Clients
  • Delivered ad-hoc ML and analytics engagements for clients in hospitality, entertainment, and telecommunications on Azure and AWS.
  • Built regression and time series models for visitor forecasting and wait-time prediction; supported data exploration and feature engineering for production ML deployments.
Jun 2018 – Feb 2019 Dallas, TX
Data Scientist
Comparex USA
  • Full-stack data science contributor on a cloud-monitoring SaaS product: designed ETL pipelines (Azure Databricks / Apache Spark), built Spark MLlib recommender systems, and delivered Power BI Embedded visualizations.
  • Worked across the full product lifecycle — development, QA, demo, and production — in a cross-functional agile team.
Jun 2017 – Jun 2018 Plano, TX
Business Analyst
Capital One
  • Synthesized risk forecasts and designed performance metrics to mitigate business risk across multiple lines of business; executed hypothesis testing, outlier analysis, and remediation testing using Redshift, Tableau, R, and Python.
Jun 2013 – Sep 2015 Irving, TX
Problem Manager
Citi — Institutional Clients Group
  • Managed incident and problem management for trading platforms serving ICG clients across Asia, Europe, and North America; achieved 85% issue remediation within 90 days by end of 2014.
  • Led cross-functional response teams, produced cause-and-effect analyses, and published executive post-mortem reviews to drive permanent infrastructure improvements.

Education

M.S. Petroleum Engineering
Texas A&M University — College Station, TX
August 2017  ·  Business Management Certificate, Mays Business School  ·  GPA 4.0
B.S. Chemistry
Yale University — New Haven, CT
May 2012  ·  Concentration in Physical Chemistry  ·  GPA 3.25

Technical Skills

Cloud & Platforms
Microsoft Azure Microsoft Fabric AWS GCP Databricks Apache Spark
BI & Visualization
Power BI Tableau Incorta Grafana Matplotlib Seaborn
Languages & ML
Python SQL Spark MLlib TensorFlow / Keras Scikit-learn R
AI Tools
Claude Code Microsoft Copilot OpenAI APIs
Certifications
ITIL Agile / Scrum

Get In Touch

Have a role, project, or collaboration in mind? I'd love to hear from you.

  Joshua.Hernandez.1989@gmail.com   LinkedIn Profile   Download Resume (PDF)